From mboxrd@z Thu Jan  1 00:00:00 1970
From: aaron.lu@amd.com (Aaron Lu)
Date: Fri, 16 Sep 2011 13:57:36 +0800
Subject: confusion regarding the CMD19 and CMD21 in eMMC/SD card spec
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On Fri, Sep 16, 2011 at 11:00:12AM +0530, Girish K S wrote:
> Hello Aaron Lu,
Hi,

>                     please check the mmc 4.5 specification CMD21 is
> tuning command.

So you are using a mmc card with a sd host?

-Aaron